Treating with prazi w/ skimmer on

G

griseum

New member
I dosed 16 oz. Into my system. I have trouble seeng through the entire treatment as I watch the DO, ORP, pH drop, especially as I turn my big dual beckett skimmer off.
This time I left the Iwaki pump on but opened the ball valve on the 5 foot+ skimmer so that no bubble column develops. The pump drives water, injects through the becketts, collects at the bottom of the bubble chamber at maybe 7"-8" of churning water and then drains through the wide open ball valve and 2" PVC drain.
Im hoping that this leaves the Prazi unaffected and also oxygenates the water too.
Hopefully someone has experience, as this is always nerve-wracking for me eveytime I dose the entire system.
 
Make sure you confirm that they are flukes. Flukes (monogenia) are usually genus if not species specific. If you are seeing fish, say angels and tangs affected, I would highly recommend a fresh water dip and visualization with something as simple as a magnifying glass.

If flukes, prazi is the answer. Any form of air exchange is helpful. Prazi doesn't go into an aqueous solution very well and a film can develop at the surface. This prevents air exchange and decreased sats. Surface skimming, agitation, aeration, degas towers, waterfalls, etc. will help keep your sats up. If they stay low, nothing beats 100% oxygen. It is easy to find at any welding supply.
 
Thanks. I was hoping you'd see this.
So ill leave the skimmer the way it is just to aerate and cause surface agitation. It may remove a slight percentage of the prazi in solution (?) But I'd rather that than any lower DO.
It's definitely flukes. Confirmed on a new and old resident fish.
 
Can the Oncomiracidium stage of a monogenia be killed by prazi? It's a free swimming stage, unlike crypto where there's a cyst stage then free swimming.
Hopefully this isn't a medication-immune stage in the helm in the - like fluke/anchor worm??
 
The trick with the skimmer is leave it running, but not have it up enough that you are foaming the Prazi out of solution into the collection cup. A few air stones in the tank might have as well (even though it's a horrid eye sore).
I have run a few RK2 set ups where the fluidized media bed is plumbed in line with the pt skimmer, so if I shut it down during treatment I lose all of the biological as well. I usually just cut the air supply by closing the venturi.
 
Zoo - thanks for checking in. I appreciate it.

I left the skimmer on overnight, with the valve all the way open and both becketts closed completely. Surprisingly, Im guessing here, that the binder still collected in the lower skimmer body. As there was a soapy mass of bubbles above the outlet valve at the bottom of the skimmer column.
I used PraziPro this time around. Its been about 12 hours and im already ready to pull it out.
But I know a bunch of fish I brought in just came in with flukes.... so it would be stupid to not rid the system of these buggers now.
The larger sharks, the male C punctatum and female C plagiosum have their gills flared so much. It drives me nuts just thinking about it.
 
THe other issue with dropping of oxygen sats with prazi is secondary to the diluent. Prazipro's vehicle is proprietary so I'm not sure what is in it, but like ethanol or methanol ,it seems to cause a bacterial bloom sucking up oxygen. I like the powder because I have control of what I'm adding to the tank. You can put a lot into solution with a very small amount of ethanol.
 
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